Ethan Lie's answer to June's Secondary 4 E Maths Singapore question.
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When faced with proportions always relate y to x and k, where k is a constant.
Thus whenever the value of y changes, x must change. Given inverse proportion, an decrease in y results in an increase in x value. Given y is inversely related to x squared, you will need to squareroot the increase in x squared to find the increase in value of x
Thus whenever the value of y changes, x must change. Given inverse proportion, an decrease in y results in an increase in x value. Given y is inversely related to x squared, you will need to squareroot the increase in x squared to find the increase in value of x
Date Posted:
4 years ago
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